Finding the Fourth Proportional to 42,178, 58,200.60 and 23,312.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,178 : 58,200.60 = 23,312.56 : x
2. Step 2: Convert to fraction form
   42,178/58,200.60 = 23,312.56/x
3. Step 3: Cross multiply
   42,178x = 58,200.60 × 23,312.56
4. Step 4: Simplify right side
   42,178x = 1,356,804,979.54
5. Step 5: Solve for x
   x = 1,356,804,979.54/42,178
6. Step 6: Final answer
   x = 32,168.55